is implicated. the pentagon says general john allen apparently had inappropriate communication with the woman linked to the scandal. as fox's ainsley earhart reports, the fbi is busy with multiple investigations. >> reporter: fbi agents searching the home of paula broadwell, the woman whose affair with general david petraeus led to his resignation as the cia director. the agents went to her house in charlotte, north carolina on monday night. some of the general's former staff members and friends reportedly shocked that this woman was sending e-mails warning jill kelley to stay away from him. now, john allen is under investigation. defense secretary leon pan eight said he ordered an investigation of general allen on monday. the secretary who is a former cia director also talking about general petraeus' resignation. he says, quote, i think he took the right step and i think it is important when you are director of the cia with all the challenges that fess you in that position that personal integrity comes first and foremost. general petraeus was scheduled to testify about the benghazi attacks.